--- /dev/null
+/*
+ * Copyright (C) 1995-2008, Index Data ApS
+ * See the file LICENSE for details.
+ *
+ * $Id: siconv.c,v 1.50 2008-03-12 08:53:28 adam Exp $
+ */
+/**
+ * \file
+ * \brief ISO-5428 character mapping (iconv)
+ */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "iconv-p.h"
+
+unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp,
+ size_t inbytesleft, size_t *no_read)
+{
+ unsigned long x = 0;
+ int tonos = 0;
+ int dialitika = 0;
+
+ *no_read = 0;
+ while (inbytesleft > 0)
+ {
+ if (*inp == 0xa2)
+ {
+ tonos = 1;
+ }
+ else if (*inp == 0xa3)
+ {
+ dialitika = 1;
+ }
+ else
+ break;
+ inp++;
+ --inbytesleft;
+ (*no_read)++;
+ }
+ if (inbytesleft == 0)
+ {
+ yaz_iconv_set_errno(cd, YAZ_ICONV_EINVAL); /* incomplete input */
+ *no_read = 0;
+ return 0;
+ }
+ switch (*inp) {
+ case 0xe1: /* alpha small */
+ if (tonos)
+ x = 0x03ac;
+ else
+ x = 0x03b1;
+ break;
+ case 0xc1: /* alpha capital */
+ if (tonos)
+ x = 0x0386;
+ else
+ x = 0x0391;
+ break;
+
+ case 0xe2: /* Beta small */
+ x = 0x03b2;
+ break;
+ case 0xc2: /* Beta capital */
+ x = 0x0392;
+ break;
+
+ case 0xe4: /* Gamma small */
+ x = 0x03b3;
+ break;
+ case 0xc4: /* Gamma capital */
+ x = 0x0393;
+ break;
+
+ case 0xe5: /* Delta small */
+ x = 0x03b4;
+ break;
+ case 0xc5: /* Delta capital */
+ x = 0x0394;
+ break;
+ case 0xe6: /* epsilon small */
+ if (tonos)
+ x = 0x03ad;
+ else
+ x = 0x03b5;
+ break;
+ case 0xc6: /* epsilon capital */
+ if (tonos)
+ x = 0x0388;
+ else
+ x = 0x0395;
+ break;
+ case 0xe9: /* Zeta small */
+ x = 0x03b6;
+ break;
+ case 0xc9: /* Zeta capital */
+ x = 0x0396;
+ break;
+ case 0xea: /* Eta small */
+ if (tonos)
+ x = 0x03ae;
+ else
+ x = 0x03b7;
+ break;
+ case 0xca: /* Eta capital */
+ if (tonos)
+ x = 0x0389;
+ else
+ x = 0x0397;
+ break;
+ case 0xeb: /* Theta small */
+ x = 0x03b8;
+ break;
+ case 0xcb: /* Theta capital */
+ x = 0x0398;
+ break;
+ case 0xec: /* Iota small */
+ if (tonos)
+ if (dialitika)
+ x = 0x0390;
+ else
+ x = 0x03af;
+ else
+ if (dialitika)
+ x = 0x03ca;
+ else
+ x = 0x03b9;
+ break;
+ case 0xcc: /* Iota capital */
+ if (tonos)
+ x = 0x038a;
+ else
+ if (dialitika)
+ x = 0x03aa;
+ else
+ x = 0x0399;
+ break;
+ case 0xed: /* Kappa small */
+ x = 0x03ba;
+ break;
+ case 0xcd: /* Kappa capital */
+ x = 0x039a;
+ break;
+ case 0xee: /* Lambda small */
+ x = 0x03bb;
+ break;
+ case 0xce: /* Lambda capital */
+ x = 0x039b;
+ break;
+ case 0xef: /* Mu small */
+ x = 0x03bc;
+ break;
+ case 0xcf: /* Mu capital */
+ x = 0x039c;
+ break;
+ case 0xf0: /* Nu small */
+ x = 0x03bd;
+ break;
+ case 0xd0: /* Nu capital */
+ x = 0x039d;
+ break;
+ case 0xf1: /* Xi small */
+ x = 0x03be;
+ break;
+ case 0xd1: /* Xi capital */
+ x = 0x039e;
+ break;
+ case 0xf2: /* Omicron small */
+ if (tonos)
+ x = 0x03cc;
+ else
+ x = 0x03bf;
+ break;
+ case 0xd2: /* Omicron capital */
+ if (tonos)
+ x = 0x038c;
+ else
+ x = 0x039f;
+ break;
+ case 0xf3: /* Pi small */
+ x = 0x03c0;
+ break;
+ case 0xd3: /* Pi capital */
+ x = 0x03a0;
+ break;
+ case 0xf5: /* Rho small */
+ x = 0x03c1;
+ break;
+ case 0xd5: /* Rho capital */
+ x = 0x03a1;
+ break;
+ case 0xf7: /* Sigma small (end of words) */
+ x = 0x03c2;
+ break;
+ case 0xf6: /* Sigma small */
+ x = 0x03c3;
+ break;
+ case 0xd6: /* Sigma capital */
+ x = 0x03a3;
+ break;
+ case 0xf8: /* Tau small */
+ x = 0x03c4;
+ break;
+ case 0xd8: /* Tau capital */
+ x = 0x03a4;
+ break;
+ case 0xf9: /* Upsilon small */
+ if (tonos)
+ if (dialitika)
+ x = 0x03b0;
+ else
+ x = 0x03cd;
+ else
+ if (dialitika)
+ x = 0x03cb;
+ else
+ x = 0x03c5;
+ break;
+ case 0xd9: /* Upsilon capital */
+ if (tonos)
+ x = 0x038e;
+ else
+ if (dialitika)
+ x = 0x03ab;
+ else
+ x = 0x03a5;
+ break;
+ case 0xfa: /* Phi small */
+ x = 0x03c6;
+ break;
+ case 0xda: /* Phi capital */
+ x = 0x03a6;
+ break;
+ case 0xfb: /* Chi small */
+ x = 0x03c7;
+ break;
+ case 0xdb: /* Chi capital */
+ x = 0x03a7;
+ break;
+ case 0xfc: /* Psi small */
+ x = 0x03c8;
+ break;
+ case 0xdc: /* Psi capital */
+ x = 0x03a8;
+ break;
+ case 0xfd: /* Omega small */
+ if (tonos)
+ x = 0x03ce;
+ else
+ x = 0x03c9;
+ break;
+ case 0xdd: /* Omega capital */
+ if (tonos)
+ x = 0x038f;
+ else
+ x = 0x03a9;
+ break;
+ default:
+ x = *inp;
+ break;
+ }
+ (*no_read)++;
+
+ return x;
+}
+
+size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x,
+ char **outbuf, size_t *outbytesleft)
+{
+ size_t k = 0;
+ unsigned char *out = (unsigned char*) *outbuf;
+ if (*outbytesleft < 3)
+ {
+ yaz_iconv_set_errno(cd, YAZ_ICONV_E2BIG); /* not room for output */
+ return (size_t)(-1);
+ }
+ switch (x)
+ {
+ case 0x03ac : out[k++]=0xa2; out[k++]=0xe1; break;
+ case 0x03b1 : out[k++]=0xe1; break;
+ case 0x0386 : out[k++]=0xa2; out[k++]=0xc1; break;
+ case 0x0391 : out[k++]=0xc1; break;
+ case 0x03b2 : out[k++]=0xe2; break;
+ case 0x0392 : out[k++]=0xc2; break;
+ case 0x03b3 : out[k++]=0xe4; break;
+ case 0x0393 : out[k++]=0xc4; break;
+ case 0x03b4 : out[k++]=0xe5; break;
+ case 0x0394 : out[k++]=0xc5; break;
+ case 0x03ad : out[k++]=0xa2; out[k++]=0xe6; break;
+ case 0x03b5 : out[k++]=0xe6; break;
+ case 0x0388 : out[k++]=0xa2; out[k++]=0xc6; break;
+ case 0x0395 : out[k++]=0xc6; break;
+ case 0x03b6 : out[k++]=0xe9; break;
+ case 0x0396 : out[k++]=0xc9; break;
+ case 0x03ae : out[k++]=0xa2; out[k++]=0xea; break;
+ case 0x03b7 : out[k++]=0xea; break;
+ case 0x0389 : out[k++]=0xa2; out[k++]=0xca; break;
+ case 0x0397 : out[k++]=0xca; break;
+ case 0x03b8 : out[k++]=0xeb; break;
+ case 0x0398 : out[k++]=0xcb; break;
+ case 0x0390 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xec; break;
+ case 0x03af : out[k++]=0xa2; out[k++]=0xec; break;
+ case 0x03ca : out[k++]=0xa3; out[k++]=0xec; break;
+ case 0x03b9 : out[k++]=0xec; break;
+ case 0x038a : out[k++]=0xa2; out[k++]=0xcc; break;
+ case 0x03aa : out[k++]=0xa3; out[k++]=0xcc; break;
+ case 0x0399 : out[k++]=0xcc; break;
+ case 0x03ba : out[k++]=0xed; break;
+ case 0x039a : out[k++]=0xcd; break;
+ case 0x03bb : out[k++]=0xee; break;
+ case 0x039b : out[k++]=0xce; break;
+ case 0x03bc : out[k++]=0xef; break;
+ case 0x039c : out[k++]=0xcf; break;
+ case 0x03bd : out[k++]=0xf0; break;
+ case 0x039d : out[k++]=0xd0; break;
+ case 0x03be : out[k++]=0xf1; break;
+ case 0x039e : out[k++]=0xd1; break;
+ case 0x03cc : out[k++]=0xa2; out[k++]=0xf2; break;
+ case 0x03bf : out[k++]=0xf2; break;
+ case 0x038c : out[k++]=0xa2; out[k++]=0xd2; break;
+ case 0x039f : out[k++]=0xd2; break;
+ case 0x03c0 : out[k++]=0xf3; break;
+ case 0x03a0 : out[k++]=0xd3; break;
+ case 0x03c1 : out[k++]=0xf5; break;
+ case 0x03a1 : out[k++]=0xd5; break;
+ case 0x03c2 : out[k++]=0xf7; break;
+ case 0x03c3 : out[k++]=0xf6; break;
+ case 0x03a3 : out[k++]=0xd6; break;
+ case 0x03c4 : out[k++]=0xf8; break;
+ case 0x03a4 : out[k++]=0xd8; break;
+ case 0x03b0 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xf9; break;
+ case 0x03cd : out[k++]=0xa2; out[k++]=0xf9; break;
+ case 0x03cb : out[k++]=0xa3; out[k++]=0xf9; break;
+ case 0x03c5 : out[k++]=0xf9; break;
+ case 0x038e : out[k++]=0xa2; out[k++]=0xd9; break;
+ case 0x03ab : out[k++]=0xa3; out[k++]=0xd9; break;
+ case 0x03a5 : out[k++]=0xd9; break;
+ case 0x03c6 : out[k++]=0xfa; break;
+ case 0x03a6 : out[k++]=0xda; break;
+ case 0x03c7 : out[k++]=0xfb; break;
+ case 0x03a7 : out[k++]=0xdb; break;
+ case 0x03c8 : out[k++]=0xfc; break;
+ case 0x03a8 : out[k++]=0xdc; break;
+ case 0x03ce : out[k++]=0xa2; out[k++]=0xfd; break;
+ case 0x03c9 : out[k++]=0xfd; break;
+ case 0x038f : out[k++]=0xa2; out[k++]=0xdd; break;
+ case 0x03a9 : out[k++]=0xdd; break;
+ default:
+ if (x > 255)
+ {
+ yaz_iconv_set_errno(cd, YAZ_ICONV_EILSEQ);
+ return (size_t) -1;
+ }
+ out[k++] = x;
+ break;
+ }
+ *outbytesleft -= k;
+ (*outbuf) += k;
+ return 0;
+}
+
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
projects / yaz-moved-to-github.git / blobdiff